CN214176101U - To inserting formula series connection soft-packaged electrical core sampling device - Google Patents
To inserting formula series connection soft-packaged electrical core sampling device Download PDFInfo
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- CN214176101U CN214176101U CN202120352852.2U CN202120352852U CN214176101U CN 214176101 U CN214176101 U CN 214176101U CN 202120352852 U CN202120352852 U CN 202120352852U CN 214176101 U CN214176101 U CN 214176101U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a to inserting formula series connection soft-packaged electrical core sampling device, including base, a set of vertical setting and the sampling copper bar that is parallel to each other, one row of sampling shell fragment and insulating part. The utility model discloses a to inserting formula design, convenient and fast has simplified the installation procedure, has guaranteed the normal clear of sampling. The utility model discloses a base is pegged graft with the lower part of sampling copper bar, the sampling shell fragment is pegged graft with the upper portion of sampling copper bar, and the sampling shell fragment can provide sufficient holding power for the sampling copper bar after inserting to sample the shell fragment and sample the spacing of copper bar through the insulating part and fix, prevent that the sampling shell fragment from taking place to warp, guarantee the clamping-force to the sampling copper bar all the time, and guarantee the reliable and stable nature of sampling.
Description
Technical Field
The utility model relates to a soft-packaged electrical core sampling device field specifically is a to inserting formula series connection soft-packaged electrical core sampling device.
Background
With the development of new energy automobiles and the maturity of power batteries, the power batteries are developing towards the direction of higher energy density, smaller volume and higher power density, and the development of soft package lithium batteries becomes a development trend of subsequent power batteries; battery units composed of soft-package batteries are increasingly widely used in electric vehicles as energy storage devices. The power battery pack is used as the core of an electric vehicle energy system, and the battery management system must monitor the monomer voltage of the power battery and the temperature of the battery pack in real time, so that the problem caused by the failure of a monomer battery cell is avoided, and the safety and the reliability of the electric vehicle are ensured. Sampling copper bar is adopted in the sampling of current voltage and is sampled, and sampling copper bar and electric core welding back utilize the sampling copper bar to draw forth after the signal with the sampling board welding, this kind of sampling connection structure is unstable, very easily the normal clear of fracture influence sampling.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to providing a to inserting formula series connection soft-packaged electrical core sampling device, sampling stable in structure has guaranteed the normal clear of sampling.
The technical scheme of the utility model is that:
a plug-in type sampling device for a series soft-packaged battery cell comprises a base, a group of vertically arranged and mutually parallel sampling copper bars, a row of sampling elastic sheets and an insulating piece;
during sampling, two battery cell lugs are welded on each sampling copper bar in a group of sampling copper bars, namely each sampling copper bar is welded between the two corresponding battery cell lugs;
the base is provided with a plurality of lower slots into which a group of sampling copper bars are respectively inserted, the top end of the base is provided with two vertical limiting plates which are parallel and opposite, the two vertical limiting plates are respectively provided with a plurality of lower inserting gaps communicated with the corresponding lower slots, each vertical limiting plate is provided with a plurality of positioning sockets, the group of sampling copper bars sequentially penetrate through the corresponding lower inserting gaps of the two vertical limiting plates from top to bottom and are inserted into the lower slots of the base, and two cell tabs on each sampling copper bar extend out of the base;
in the row of sampling elastic pieces, each sampling elastic piece is connected with a plurality of adjacent sampling copper bars, each sampling elastic piece comprises a rectangular supporting plate, two groups of vertical and mutually parallel inserting pieces with the top ends fixed on two opposite side lines of the supporting plate, two groups of positioning elastic pieces with the bottom ends fixed on the two opposite side lines of the supporting plate, and an inverted L-shaped sampling output piece with the bottom ends fixed on the supporting plate, the two groups of inserting pieces of the sampling elastic pieces are equal in number and opposite to each other, an upper inserting groove with a notch facing towards is formed in the bottom end of each inserting piece, the upper portion of each sampling copper bar is inserted into the upper inserting grooves of the two opposite inserting pieces from bottom to top, the two groups of positioning elastic pieces are of inclined structures, the included angles between the two groups of positioning elastic pieces and the supporting plate are obtuse angles, the bottom end of each positioning elastic piece is connected to the position, between the top ends of the two adjacent inserting pieces, the bottom end of the vertical portion of the sampling output piece is fixed on the other side line of the supporting plate and connected with the inserting pieces, The positioning elastic sheets are not in contact;
the insulating part is of a cover shell structure with the periphery, the top end and the bottom end being closed and the bottom end being open, the top end of the insulating part is provided with a row of through holes, the outer walls of two opposite side plates of the insulating part are respectively provided with a horizontal limiting plate and a plurality of inserting blocks, the inner walls of the two opposite side plates of the insulating part are respectively provided with a row of positioning grooves, the inner walls of the two opposite side plates of the insulating part are provided with a row of inserting blocks near the bottom, an inserting gap is arranged between the two adjacent inserting blocks, the insulating part cover is arranged outside the row of sampling elastic sheets and positioned between the two vertical limiting plates of the base, the horizontal limiting plates on the two opposite side plates of the insulating part are respectively supported at the top ends of the two vertical limiting plates, the plurality of inserting blocks on the two opposite side plates of the insulating part are inserted into the positioning sockets corresponding to the two vertical limiting plates, and the two groups of positioning elastic sheets on each sampling elastic sheet are respectively inserted into the positioning grooves corresponding to the two opposite side plates of the insulating part, the horizontal part of each sampling elastic sheet sampling output piece penetrates through the corresponding through hole in the insulating piece, so that the horizontal part of one row of sampling elastic sheet sampling output pieces forms a sampling platform.
The base on the lateral surface of two vertical limiting plates on all be provided with one row of vertical setting and with vertical limiting plate vertically strengthening rib.
The top end of each lower inserting gap of the vertical limiting plate and the top end of each lower inserting groove of the base are both of an upward horn-shaped opening structure.
The width of each lower slot lower part on the base is smaller than the width of the upper part of the lower slot, the width of each lower slot lower part is larger than the thickness of the sampling copper bar, and glue is arranged on each lower slot lower part and used for being fixedly bonded with the sampling copper bar.
Two oblique inserting plates are fixed at the top ends of the two vertical limiting plates, an included angle between each oblique inserting plate and the vertical limiting plate is an obtuse angle, and the two oblique inserting plates on each vertical limiting plate are symmetrical along the vertical center line of the vertical limiting plate.
The bottom end face of each sampling copper bar is an arc face, and the top of each sampling copper bar is of a four-side chamfer structure.
The bottom end of the upper slot of each plug-in sheet of the sampling elastic sheet is of a downward horn-shaped opening structure.
The bottom end of an upper splicing gap between two adjacent splicing blocks of the insulating part is of a downward horn-shaped opening structure.
The utility model has the advantages that:
the utility model discloses a to inserting formula design, convenient and fast has simplified the installation procedure, has guaranteed the normal clear of sampling. The utility model discloses a sampling shell fragment is pegged graft with the upper portion of sampling copper bar, and the sampling shell fragment can provide sufficient holding power for the sampling copper bar after inserting to sample the shell fragment and sample the spacing of copper bar fixedly through the insulating part, prevent that the shell fragment of sampling from taking place to warp, guarantee the clamping-force to the sampling copper bar all the time. Furthermore, the utility model discloses be provided with horizontal limiting plate on the insulating part, be provided with vertical limiting plate on the base, realize the position location of insulating part for the base through cooperation between them, prevent to inserting excessively to sampling copper bar and electric core utmost point ear production damage. The utility model discloses between insulating part and the base, all adopt grafting structure location fixed between insulating part and the sampling shell fragment, base and insulating part are spacing for sampling shell fragment and sampling copper bar provide outside, increase the reliable and stable nature of sampling.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the base of the present invention.
Fig. 4 is a schematic view of a partial structure of the upper and lower slots of the base according to the present invention.
Fig. 5 is a schematic structural diagram of the sampling elastic sheet of the present invention.
Fig. 6 is the structure schematic diagram of the utility model discloses sampling copper bar bottom.
Fig. 7 is the structure schematic diagram at the top of the sampling copper bar of the utility model.
Fig. 8 is a schematic view of the structure of the utility model insulator.
Fig. 9 is a cut-away view a-a of fig. 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, an opposite-insertion type sampling device for a series-connection soft-package battery cell comprises a base 1, a group of vertically-arranged and mutually-parallel sampling copper bars 2, a row of sampling elastic sheets 3 and an insulating piece 4;
referring to fig. 1 and fig. 2, during sampling, in a group of sampling copper bars 2, two battery cell tabs 5 are welded on each sampling copper bar 2, that is, each sampling copper bar 2 is welded between two corresponding battery cell tabs 5;
referring to fig. 3, a plurality of lower slots 11 into which a group of sampling copper bars are respectively inserted are formed in a base 1, two vertical limiting plates 12 which are parallel and opposite to each other are arranged at the top end of the base 1, a plurality of lower insertion slits 13 which are communicated with the corresponding lower slots 11 are formed in each of the two vertical limiting plates 12, a plurality of positioning sockets 14 are formed in each of the vertical limiting plates 12, a group of sampling copper bars 2 sequentially penetrate through the lower insertion slits 13 corresponding to the two vertical limiting plates from top to bottom and are inserted into the lower slots 11 of the base, and two cell tabs 5 on each of the sampling copper bars 2 extend out of the base 1; the outer side surfaces of the two vertical limiting plates 12 on the base 1 are respectively provided with a row of reinforcing ribs 15 which are vertically arranged and are perpendicular to the vertical limiting plates 12; the top end of each lower inserting gap 13 of the vertical limiting plate 12 and the top end of each lower slot 11 on the base are both of an upward horn-shaped opening structure; the width of the lower part of each lower slot 11 on the base 1 is smaller than the width of the upper part of the lower slot 11 (see fig. 4), the width of the lower part of each lower slot 11 is larger than the thickness of the sampling copper bar 2, and glue is arranged on the lower part of each lower slot 11 and used for being fixedly adhered to the sampling copper bar 2; two oblique inserting plates 16 are fixed at the top ends of the two vertical limiting plates 12, an included angle between each oblique inserting plate 16 and the vertical limiting plate 12 is an obtuse angle, the two oblique inserting plates 16 on each vertical limiting plate 12 are symmetrical along the vertical central line of the vertical limiting plate 12, and the oblique inserting plates 16 are convenient for the insulating part 4 to be quickly and accurately inserted between the two vertical limiting plates 12.
Referring to fig. 5, in a row of sampling elastic pieces 3, each sampling elastic piece 3 is connected with two adjacent sampling copper bars 2, each sampling elastic piece 3 comprises a rectangular support plate 31, two groups of vertical insertion pieces 32 with the top ends fixed on two opposite side lines of the support plate 31 and parallel to each other, two positioning elastic pieces 33 with the bottom ends fixed on two opposite side lines of the support plate 31, and an inverted L-shaped sampling output piece 34 with the bottom ends fixed on the support plate 31, the number of each group of insertion pieces 32 of the sampling elastic pieces is two and opposite to each other, an upper slot 35 with a facing notch is arranged at the bottom end of each insertion piece 32, the bottom end of each upper slot 35 is of a downward horn-shaped opening structure, the upper part of each sampling copper bar 2 is inserted into the upper slots 35 of the two opposite insertion pieces 32 from bottom to top, the two positioning elastic pieces 33 are of an inclined structure, and the included angles between the two positioning elastic pieces 33 and the support plate 31 are obtuse angles, the bottom end of each positioning elastic sheet 33 is connected to the supporting plate 31 at a position between the top ends of each two adjacent inserting sheets 32, and the bottom end of the vertical part of the sampling output member 34 is fixed on the other side line of the supporting plate 31 and is not in contact with the inserting sheets 32 and the positioning elastic sheets 33;
referring to fig. 6 and 7, the bottom end surface of each sampling copper bar 2 is an arc surface 21, so that smooth transition between the bottom end surface and the upper portion of the upper slot 11 and the lower portion of the lower slot 11 of the base 1 is facilitated, and the top of each sampling copper bar 2 is a four-side chamfer structure 22, so that the sampling copper bar is in butt-inserting fit with the upper slot 35 of the sampling elastic piece 3;
referring to fig. 8 and 9, the insulating member 4 is a casing structure with a closed periphery and a closed top end and an open bottom end, the top end of the insulating member 4 is provided with a row of through holes 41, the outer walls of two opposite side plates of the insulating member 4 are respectively provided with a horizontal limiting plate 42 and two insertion blocks 43, the inner walls of two opposite side plates of the insulating member 4 are respectively provided with a row of positioning slots 44, the inner walls of two opposite side plates of the insulating member 4 are provided with a row of insertion blocks 45 adjacent to the bottom, an upper insertion gap 46 is arranged between two adjacent insertion blocks 45, the bottom end of each upper insertion gap 46 is a downward trumpet-shaped opening structure, the insulating member 4 covers the row of sampling elastic sheets 3 and is located between two vertical limiting plates 12 of the base 1, the horizontal limiting plates 42 on two opposite side plates of the insulating member 4 are respectively supported on the top ends of the two vertical limiting plates 12, the insertion blocks 43 on the two opposite side plates of the insulating member 4 are inserted into the positioning sockets 14 corresponding to the two vertical limiting plates 12, two groups of positioning elastic sheets 33 on each sampling elastic sheet 3 are respectively inserted into the positioning grooves 44 corresponding to two opposite side plates of the insulating piece 4, and the horizontal part of the sampling output piece 44 of each sampling elastic sheet 3 passes through the corresponding through hole 41 on the insulating piece 4, so that the horizontal part of one row of sampling elastic sheet sampling output pieces 44 forms a sampling platform.
According to the drawings of fig. 1-9, firstly, each sampling copper bar 2 is welded with two electric core tabs 5, the lower portion of each sampling copper bar 2 is oppositely inserted into the base 1, glue is utilized for fixation, the upper portion of each sampling copper bar 2 is higher than the base and extends out, the sampling copper bar 2 is oppositely inserted into one row of sampling elastic pieces 3, the matching position of the opposite insertion is formed, each sampling copper bar 2 and each sampling elastic piece 3 are respectively provided with two contact points (connected with two insertion pieces 32 in an insertion mode), and the sampling stability and accuracy are guaranteed. The insertion sheet 32 of the sampling elastic sheet is elastically resilient, so that the clamping force between the sampling elastic sheet and the sampling copper bar 2 is ensured, and reliable contact is provided for sampling; sampling shell fragment 3 joint is in insulating part 4, and insulating part 4 provides spacingly for sampling shell fragment 3 to inserting the in-process, and insulating part 4 provides the restraint for sampling shell fragment 3 both sides, prevents that sampling shell fragment 3 from taking place irreversible deformation, guarantees that the resilience force of sampling shell fragment inserted sheet 32 exists always.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a to inserting formula series connection soft-packaged electrical core sampling device which characterized in that: the sampling device comprises a base, a group of vertically arranged and mutually parallel sampling copper bars, a row of sampling elastic sheets and an insulating piece;
during sampling, two battery cell lugs are welded on each sampling copper bar in a group of sampling copper bars, namely each sampling copper bar is welded between the two corresponding battery cell lugs;
the base is provided with a plurality of lower slots into which a group of sampling copper bars are respectively inserted, the top end of the base is provided with two vertical limiting plates which are parallel and opposite, the two vertical limiting plates are respectively provided with a plurality of lower inserting gaps communicated with the corresponding lower slots, each vertical limiting plate is provided with a plurality of positioning sockets, the group of sampling copper bars sequentially penetrate through the corresponding lower inserting gaps of the two vertical limiting plates from top to bottom and are inserted into the lower slots of the base, and two cell tabs on each sampling copper bar extend out of the base;
in the row of sampling elastic pieces, each sampling elastic piece is connected with a plurality of adjacent sampling copper bars, each sampling elastic piece comprises a rectangular supporting plate, two groups of vertical and mutually parallel inserting pieces with the top ends fixed on two opposite side lines of the supporting plate, two groups of positioning elastic pieces with the bottom ends fixed on the two opposite side lines of the supporting plate, and an inverted L-shaped sampling output piece with the bottom ends fixed on the supporting plate, the two groups of inserting pieces of the sampling elastic pieces are equal in number and opposite to each other, an upper inserting groove with a notch facing towards is formed in the bottom end of each inserting piece, the upper portion of each sampling copper bar is inserted into the upper inserting grooves of the two opposite inserting pieces from bottom to top, the two groups of positioning elastic pieces are of inclined structures, the included angles between the two groups of positioning elastic pieces and the supporting plate are obtuse angles, the bottom end of each positioning elastic piece is connected to the position, between the top ends of the two adjacent inserting pieces, the bottom end of the vertical portion of the sampling output piece is fixed on the other side line of the supporting plate and connected with the inserting pieces, The positioning elastic sheets are not in contact;
the insulating part is of a cover shell structure with the periphery, the top end and the bottom end being closed and the bottom end being open, the top end of the insulating part is provided with a row of through holes, the outer walls of two opposite side plates of the insulating part are respectively provided with a horizontal limiting plate and a plurality of inserting blocks, the inner walls of the two opposite side plates of the insulating part are respectively provided with a row of positioning grooves, the inner walls of the two opposite side plates of the insulating part are provided with a row of inserting blocks near the bottom, an inserting gap is arranged between the two adjacent inserting blocks, the insulating part cover is arranged outside the row of sampling elastic sheets and positioned between the two vertical limiting plates of the base, the horizontal limiting plates on the two opposite side plates of the insulating part are respectively supported at the top ends of the two vertical limiting plates, the plurality of inserting blocks on the two opposite side plates of the insulating part are inserted into the positioning sockets corresponding to the two vertical limiting plates, and the two groups of positioning elastic sheets on each sampling elastic sheet are respectively inserted into the positioning grooves corresponding to the two opposite side plates of the insulating part, the horizontal part of each sampling elastic sheet sampling output piece penetrates through the corresponding through hole in the insulating piece, so that the horizontal part of one row of sampling elastic sheet sampling output pieces forms a sampling platform.
2. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: the base on the lateral surface of two vertical limiting plates on all be provided with one row of vertical setting and with vertical limiting plate vertically strengthening rib.
3. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: the top end of each lower inserting gap of the vertical limiting plate and the top end of each lower inserting groove of the base are both of an upward horn-shaped opening structure.
4. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: the width of each lower slot lower part on the base is smaller than the width of the upper part of the lower slot, the width of each lower slot lower part is larger than the thickness of the sampling copper bar, and glue is arranged on each lower slot lower part and used for being fixedly bonded with the sampling copper bar.
5. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: two oblique inserting plates are fixed at the top ends of the two vertical limiting plates, an included angle between each oblique inserting plate and the vertical limiting plate is an obtuse angle, and the two oblique inserting plates on each vertical limiting plate are symmetrical along the vertical center line of the vertical limiting plate.
6. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: the bottom end face of each sampling copper bar is an arc face, and the top of each sampling copper bar is of a four-side chamfer structure.
7. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: the bottom end of the upper slot of each plug-in sheet of the sampling elastic sheet is of a downward horn-shaped opening structure.
8. The oppositely-inserted type series-connection soft package battery cell sampling device according to claim 1, characterized in that: the bottom end of an upper splicing gap between two adjacent splicing blocks of the insulating part is of a downward horn-shaped opening structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352852.2U CN214176101U (en) | 2021-02-05 | 2021-02-05 | To inserting formula series connection soft-packaged electrical core sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352852.2U CN214176101U (en) | 2021-02-05 | 2021-02-05 | To inserting formula series connection soft-packaged electrical core sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214176101U true CN214176101U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120352852.2U Active CN214176101U (en) | 2021-02-05 | 2021-02-05 | To inserting formula series connection soft-packaged electrical core sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214176101U (en) |
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2021
- 2021-02-05 CN CN202120352852.2U patent/CN214176101U/en active Active
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